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curses: Fix compiler warnings (Mingw-w64 redefinition of macro KEY_EVENT)

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For builds with Mingw-w64 as it is included in Cygwin, there are two
header files which define KEY_EVENT with different values.

This results in lots of compiler warnings like this one:

  CC      vl.o
In file included from /qemu/include/ui/console.h:340:0,
                 from /qemu/vl.c:76:
/usr/i686-w64-mingw32/sys-root/mingw/include/curses.h:1522:0: warning: "KEY_EVENT" redefined
 #define KEY_EVENT 0633  /* We were interrupted by an event */

In file included from /usr/share/mingw-w64/include/windows.h:74:0,
                 from /usr/share/mingw-w64/include/winsock2.h:23,
                 from /qemu/include/sysemu/os-win32.h:29,
                 from /qemu/include/qemu/osdep.h:100,
                 from /qemu/vl.c:24:
/usr/share/mingw-w64/include/wincon.h:101:0: note: this is the location of the previous definition
 #define KEY_EVENT 0x1

QEMU only uses the KEY_EVENT macro from wincon.h.
Therefore we can undefine the macro coming from curses.h.

The explicit include statement for curses.h in ui/curses.c is not needed
and was removed.

Those two modifications fix the redefinition warnings.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Message-id: 20161119185318.10564-1-sw@weilnetz.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Stefan Weil 2016-11-19 19:53:18 +01:00 committed by Gerd Hoffmann
parent 97efe4f961
commit f27ff81070
2 changed files with 3 additions and 1 deletions
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3
include/ui/console.h
View File

@ -337,7 +337,10 @@ static inline pixman_format_code_t surface_format(DisplaySurface *s)
}
#ifdef CONFIG_CURSES
/* KEY_EVENT is defined in wincon.h and in curses.h. Avoid redefinition. */
#undef KEY_EVENT
#include <curses.h>
#undef KEY_EVENT
typedef chtype console_ch_t;
extern chtype vga_to_curses[];
#else

1
ui/curses.c
View File

@ -22,7 +22,6 @@
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include <curses.h>
#ifndef _WIN32
#include <sys/ioctl.h>